Home / 7,929.56-10,942.64-4,572.16

Finding the Fourth Proportional to 7,929.56, 10,942.64 and 4,572.16

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Solution

The fourth proportional to 7,929.56, 10,942.64 and 4,572.16 is: 6,309.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.56 : 10,942.64 = 4,572.16 : x
  2. Step 2: Convert to fraction form
    7,929.56/10,942.64 = 4,572.16/x
  3. Step 3: Cross multiply
    7,929.56x = 10,942.64 × 4,572.16
  4. Step 4: Simplify right side
    7,929.56x = 50,031,500.90
  5. Step 5: Solve for x
    x = 50,031,500.90/7,929.56
  6. Step 6: Final answer
    x = 6,309.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.